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Dicoelostrophia
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Strophomenida
Superfamily:
Strophomenoidea
Family:
Douvillinidae
Formal Genus Name and Reference:
Dicoelostrophia WANG, 1955a, p. 104
Type Species:
D. punctatum, OD
Images
(Click to enlarge in a new window)
Fig. 173a-f. * D. punctatum, Yukiang Formation, lower Emsian, Liujing, Hengxian, Guangxi Province, China, $a-c$, holotype, dorsal, lateral, anterior views of conjoined valves, x1 . 5, ~} d$, dorsal view of conjoined valves, BMNH BC 12848, X1.5, $e$, ventral valve interior, NIGP 87917, x2, f$, dorsal valve interior, NIGP 23611, x2$ (new)."
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Devonian (Emsian)
Beginning International Stage:
Emsian
Fraction Up In Beginning Stage:
0
Beginning Date:
410.51
Ending Stage in Treatise Usage:
Devonian (Emsian)
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Profile mostly gently resupinate to shallowly biconvex, ornament variable, ranging from unequally parvicostellate to fascicostellate, usually costellate, denticles along most of hinge width, bilobed ventral muscle field with strong bounding ridges posterolaterally, separated anteriorly by broad central area, dorsal muscle field bounded laterally, posteriorly by ridges, two pairs of high, strong dorsal side septa, median septum. Devonian (Emsian): China.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Strophomenida
Superfamily:
Strophomenoidea
Family:
Douvillinidae
Formal Genus Name and Reference:
Dicoelostrophia WANG, 1955a, p. 104
Type Species:
D. punctatum, OD
Images
(Click to enlarge in a new window)
Fig. 173a-f. * D. punctatum, Yukiang Formation, lower Emsian, Liujing, Hengxian, Guangxi Province, China, $a-c$, holotype, dorsal, lateral, anterior views of conjoined valves, x1 . 5, ~} d$, dorsal view of conjoined valves, BMNH BC 12848, X1.5, $e$, ventral valve interior, NIGP 87917, x2, f$, dorsal valve interior, NIGP 23611, x2$ (new)."
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Devonian (Emsian)
Beginning International Stage:
Emsian
Fraction Up In Beginning Stage:
0
Beginning Date:
410.51
Ending Stage in Treatise Usage:
Devonian (Emsian)
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Profile mostly gently resupinate to shallowly biconvex, ornament variable, ranging from unequally parvicostellate to fascicostellate, usually costellate, denticles along most of hinge width, bilobed ventral muscle field with strong bounding ridges posterolaterally, separated anteriorly by broad central area, dorsal muscle field bounded laterally, posteriorly by ridges, two pairs of high, strong dorsal side septa, median septum. Devonian (Emsian): China.